1. imaginary
As a child she used to play with her imaginary friends.
The dragon is an imaginary creature.
All the characters in this book are imaginary.
I don't believe that Santa Claus is imaginary.
You say Nessie is an imaginary being, but I think she exists.
Dragons are imaginary animals.
imaginary friend
Some children have imaginary friends.
A lonely child sometimes creates an imaginary friend to play with.
Children love drawing imaginary animals and places.
Lines between countries on maps are imaginary as there aren’t any real lines on the ground.
Beyond what age is it unhealthy for a child to have imaginary friends?
You cannot add a real number and an imaginary number.
You didn't really see a ghost - it was only imaginary.
All her imaginary happiness vanished in a moment.
2. unrealistic
She had rather unrealistic expectations of marriage.
He is unrealistic.
Life on a desert island. Most of us have formed an unrealistic picture of life on a desert island. We sometimes imagine a desert island to be a sort of paradise where the sun always shines. Life there is simple and good.
She has a totally unrealistic view of life. [+ to do sth] It's unrealistic to expect their decision before Tuesday.
Parents look to the new generation as a generation that is far from reality and busy running after unrealistic dreams.
The feelings of "love at first sight" and "faithful unto death" are unrealistic; this sort of unrealistic and illusory feeling is not what we need.
3. unreal
My life seems unreal.
This news is just unreal.
That shot was unreal! I can't believe he made it from that far away!
The whole situation was completely unreal.
The fashion model from Albania looked unreal on the catwalk.
His concert was unreal.
4. virtual
it's virtually impossible
By 1969 the debate over virtual memory for commercial computers was over. An IBM research team led by David Sayre showed that their virtual memory overlay system consistently worked better than the best manually controlled systems.
Almost all implementations of virtual memory divide the virtual address space of an application program into pages; a page is a block of contiguous virtual memory addresses.
Virtual memory is a memory management technique developed for multitasking kernels.
There are people who can't distinguish virtual reality and the real one.
Tatoeba Project is our virtual home.
These days when I hear about these horrible incidents on the news I get the feeling that more and more young people are losing their ability to distinguish between real and virtual worlds.
She was a virtual unknown before this movie.
Second Life is a huge virtual world.
John is our virtual leader. They played the game in virtual silence.
Gamers spend hours a day in a virtual reality and they are used to controlling their game environments.
If you are no good at sport, you can enjoy playing virtual ones with a computer game.
I've carried on a virtual conversation with him for years.
Pages are usually at least 4 KiB (4×1024 bytes) in size, and systems with large virtual address ranges or large amounts of real memory generally use larger page sizes.
5. intangible
As intangible as they may seem, memories have a firm biological basis.
There are many intangibles that can be critical.
Kelsier could see the mists beginning to form, clouding the air, and giving the moundlike buildings a surreal, intangible look.
But there can also be intangible Outputs like the repeated delivery of a product
My companions do not care about cyberspace or anything else so intangible
Anglais mot "nierzeczywisty"(intangible) se produit dans des ensembles:
fachowy 2 rok 1 tekst Cartografy i Definig maps